name: github pages

on:
  push:
    branches:
      - main
  workflow_dispatch:

# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  build:
    runs-on: ubuntu-20.04
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
    steps:
      - uses: actions/checkout@v2

      - name: Setup mdBook
        uses: peaceiris/actions-mdbook@v1
        with:
          mdbook-version: 'latest'

      - run: mdbook build

      - name: Setup Pages
        uses: actions/configure-pages@v2
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v1
        with:
           path: 'book'
  # Deployment job
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1